A178317 - cp's OEIS frontend

A178317 Primes with the property that if the digits are written digital clock style and the number is reflected across a horizontal line through the middle of the number, the result is still prime.

n	a(n)
1	2
2	3
3	5
4	11
5	13
6	23
7	31
8	53
9	83
10	101
11	103
12	113
13	131
14	181
15	251
16	311
17	313
18	331
19	383
20	521
21	811
22	823
23	853
24	881
25	883
26	1013
27	1021
28	1031
29	1033
30	1051
31	1103
32	1123
33	1153
34	1181
35	1223
36	1231
37	1283
38	1301
39	1303
40	1381
41	1531
42	1553
43	1583
44	1801
45	1811
46	1831
47	2003
48	2011
49	2053

[2, 3, 5, 11, 13, 23, 31, 53, 83, 101, 103, 113, 131, 181, 251, 311, 313, 331, 383, 521, 811, 823, 853, 881, 883, 1013, 1021, 1031, 1033, 1051, 1103, 1123, 1153, 1181, 1223, 1231, 1283, 1301, 1303, 1381, 1531, 1553, 1583, 1801, 1811, 1831, 2003, 2011, 2053]

cp's OEIS Frontend

A178317 Primes with the property that if the digits are written digital clock style and the number is reflected across a horizontal line through the middle of the number, the result is still prime.

Table of values

List of values